"Nothing I can do is the same... my life is totally different." A devastating accident changes an inmate's life forever. Don't miss #120HoursBehindBars tonight at 9P on Discovery.

A new mother leans on experienced inmates as she adjusts to life behind bars. See more on #120HoursBehindBars, Mondays at 9P on Discovery.

A monstrous 2,000-mile winter storm unleashes chaos across 40 states in a new #IntheEyeoftheStorm Tonight at 10P.

Open wide! 🐋 #DidYouKnow a blue whale's tongue can weigh as much as an elephant, and its blood vessels are so wide that a human could swim through them! 📸: Krisanapong Detraphiphat #bluewhale #whale #oceanlife

Watch as a freight train smashes a stranded semi truck 😱 New #IntheEyeoftheStorm Sunday at 10P.

📍North Auckland, New Zealand 📸: Nazar Abbas #newzealand #landscape #waiwera

When the roads shut down, their work begins. 🚛❄️ High-altitude recoveries. Treacherous mountain passes. Life-or-death towing missions. The new series #RockyMountainWreckers premieres Friday, October 9 on @Discovery.

A race against time in freezing water 🧊🚨 New #IntheEyeoftheStorm Sunday at 10P.

Star of the show 🐘⭐️ 📸: Alberto Ghizzi Panizza #elephant #africanelephant #nature

An iconic stare-down for #WorldGorillaDay 👀🦍 📸: Tomas Landa #gorilla #wildlife #mountains

Don't miss #HowToCatchADirtbag with Tizzy, starting NOW on Discovery!

Ever wondered how storm chasers keep their cool in wild weather? ⛈️ New #IntheEyeoftheStorm Sunday at 10P!

A confrontation involving reality TV stars and a fast-food restaurant incident leaves the internet asking questions. Tizzy takes a closer look on #HowToCatchADirtbag TONIGHT at 10P on Discovery.

📍Mývatn, Iceland 📸: Daniel Bosma #landscape #iceland #volcano

Celebrating #WorldRhinoDay 🥳🦏 #DidYouKnow rhinos leave "poop messages" in communal dung piles called middens, helping them communicate their age, health, and even mating status. 📸: Henrik Karlsson #rhino #oxpecker #wildlife

A letter from his pregnant girlfriend brings a wave of emotions to this inmate 💌 #120HoursBehindBars starts now on Discovery.

One incident at a store changes everything. Now, this inmate and his pregnant girlfriend are both behind bars. Don't miss #120HoursBehindBars tonight at 9P on Discovery.

What starts as an exchange with an officer quickly spirals out of control. 😳 See more on #120HoursBehindBars, Mondays at 9P on Discovery.